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特朗普牺牲中美关系来掩盖其对新冠爆发的不当处理

  US President Donald Trump speaks as Secretary of Veterans Affairs Robert Wilkie,Administrator of the Centers for Medicare and Medicaid Services Seema Verma

如何用英语描述一段恋情的开始和结束?

  喜欢一个人可以说fall for,be fond of,have a crush on,be crazy about,be smitten以及be head over heels in love。今天,我们来看看从开始约会到热恋再到彻底分手,相关的英

纹身对人体免疫系统有什么影响

  I lay on the mat of the open-air bungalow in Apia,Samoa,looking up at a gecko.As its tail quivered,I felt a sympathetic twitch in my leg.Su'a Sulu'a

祛除麦粒肿——用正确的方式

  You can usually treat these pesky and painful eyelid spots at home—but make sure you follow these directions for how to get rid of a stye and heal saf

瑜伽和理疗作为慢性腰痛的治疗,还能改善睡眠

  Yoga and physical therapy(PT)are effective approaches to treating co-occurring sleep disturbance and back pain while reducing the need for medication,accord

晨间颈疼:为什么会疼,如何避免呢?

  One night back when Michael was in high school,he awoke to what felt like an electric shock zapping the left side of his neck.Muscles in his neck had tighte

吃正确的食物来刺激肠道细菌可以缓解焦虑症状

  Eating the right food could help to ease the symptoms of anxiety,scientists believe.

  科学家认为,吃正确的食物有助于缓解焦虑症状。

  A study published

人类所经历的睡眠可能出现在4.5亿年前

  Scientists who studied a small,transparent fish believe the way humans sleep could have evolved 450 million years ago.

  研究一种透明小鱼的科学家认为,人类

动物是如何感受疼痛的?

  Humans know the surprising prick of a needle,the searing pain of a stubbed toe,and the throbbing of a toothache.

  人类了解被针扎、不小心踢到脚趾的剧痛,还

为什么我们会打哈欠?打哈欠又为什么会传染?

  You know the feeling.It’s impossible to resist.You just need to yawn.

  你知道这种感觉。那种冲动很难抗拒,你就是想打个哈欠。

  A yawn consists of

体育锻炼能够提高学习成绩吗?

  Recently we told you about a finding that more years of school could help students get higher scores on intelligence tests.That was the finding of a study o

如何科学地提高阅读效率

  When it comes to reading,many people have the feeling that they spend time reading a book,only to forget all about it.If this happens to you often,don't